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Finding the Fourth Proportional to 6,951.86, 9,591.17 and 3,965.54

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Solution

The fourth proportional to 6,951.86, 9,591.17 and 3,965.54 is: 5,471.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,951.86 : 9,591.17 = 3,965.54 : x
  2. Step 2: Convert to fraction form
    6,951.86/9,591.17 = 3,965.54/x
  3. Step 3: Cross multiply
    6,951.86x = 9,591.17 × 3,965.54
  4. Step 4: Simplify right side
    6,951.86x = 38,034,168.28
  5. Step 5: Solve for x
    x = 38,034,168.28/6,951.86
  6. Step 6: Final answer
    x = 5,471.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.